Home / 40,367,700.81-55,780,296.57-28,745,086.14

Finding the Fourth Proportional to 40,367,700.81, 55,780,296.57 and 28,745,086.14

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Solution

The fourth proportional to 40,367,700.81, 55,780,296.57 and 28,745,086.14 is: 39,720,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,367,700.81 : 55,780,296.57 = 28,745,086.14 : x
  2. Step 2: Convert to fraction form
    40,367,700.81/55,780,296.57 = 28,745,086.14/x
  3. Step 3: Cross multiply
    40,367,700.81x = 55,780,296.57 × 28,745,086.14
  4. Step 4: Simplify right side
    40,367,700.81x = 1,603,409,429,819,396.50
  5. Step 5: Solve for x
    x = 1,603,409,429,819,396.50/40,367,700.81
  6. Step 6: Final answer
    x = 39,720,107.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.